/* *  linux/arch/arm/kernel/isa.c * *  Copyright (C) 1999 Phil Blundell * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * *  ISA shared memory and I/O port support, and is required to support *  iopl, inb, outb and friends in userspace via glibc emulation. */#include <linux/stddef.h>#include <linux/types.h>#include <linux/fs.h>#include <linux/sysctl.h>#include <linux/init.h> static unsigned int isa_membase, isa_portbase, isa_portshift; static ctl_table ctl_isa_vars[4] = {	{		.ctl_name	= BUS_ISA_MEM_BASE,		.procname	= "membase",		.data		= &isa_membase, 		.maxlen		= sizeof(isa_membase),		.mode		= 0444,		.proc_handler	= &proc_dointvec,	}, {		.ctl_name	= BUS_ISA_PORT_BASE,		.procname	= "portbase",		.data		= &isa_portbase, 		.maxlen		= sizeof(isa_portbase),		.mode		= 0444,		.proc_handler	= &proc_dointvec,	}, {		.ctl_name	= BUS_ISA_PORT_SHIFT,		.procname	= "portshift",		.data		= &isa_portshift, 		.maxlen		= sizeof(isa_portshift),		.mode		= 0444,		.proc_handler	= &proc_dointvec,	}, {0}}; static struct ctl_table_header *isa_sysctl_header; static ctl_table ctl_isa[2] = {	{		.ctl_name	= CTL_BUS_ISA,		.procname	= "isa",		.mode		= 0555,		.child		= ctl_isa_vars,	}, {0}}; static ctl_table ctl_bus[2] = {	{		.ctl_name	= CTL_BUS,		.procname	= "bus",		.mode		= 0555,		.child		= ctl_isa,	}, {0}}; void __initregister_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift){	isa_membase = membase;	isa_portbase = portbase;	isa_portshift = portshift;	isa_sysctl_header = register_sysctl_table(ctl_bus);}